:root {
    --sidebar-width: 225px;
}

/* --- LAYOUT DE BASE --- */

/* On verrouille le body pour que seul le contenu principal scrolle */
html, body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

.app-layout-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
}

/* --- SIDEBAR --- */

.app-sidebar-container {
    flex: 0 0 var(--sidebar-width); /* Fixe la largeur sans calcul */
    height: 100vh;
    background: var(--bb-primary-color);
    z-index: 1000;
    overflow-y: hidden; /* Par défaut caché */
    transition: transform 0.3s ease-in-out;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

/* Hover pour scroller la sidebar si le menu est long */
.app-sidebar-container:hover {
    overflow-y: auto;
}

/* --- MAIN CONTENT (La zone de scroll) --- */

.app-main-content {
    flex: 1; /* Remplace margin-left et width calc pour un comportement fluide */
    height: 100vh;
    overflow-y: auto; /* CRITIQUE : C'est ici que le scroll se passe pour le sticky */
    position: relative;
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
}

/* --- NAVBAR STICKY --- */

.app-navbar-container {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--bb-primary-color);
    /* L'élément va maintenant "coller" au haut de .app-main-content */
}

.page-content {
    flex: 1; /* Pousse le footer en bas */
    padding-bottom: 20px;
}

/* --- RESPONSIVE MOBILE (< 960px) --- */

@media (max-width: 959px) {
    .app-sidebar-container {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0; /* Important : force la sidebar à toucher le bas */
        width: 80%;
        height: 100vh; /* Utilise toute la hauteur du viewport */

        /* LA CORRECTION : */
        overflow-y: auto !important; /* Force le scroll vertical */
        -webkit-overflow-scrolling: touch; /* Fluidité sur iOS */

        z-index: 9999;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }

    .sub-sidebar-container {
        height: auto;
        min-height: 100%;
        padding-bottom: 40px; /* Espace pour ne pas que le dernier item soit caché par l'encoche/barre système */
    }

    /* QUAND LE MENU EST OUVERT */
    body.sidebar-open .app-sidebar-container {
        transform: translateX(0);
        box-shadow: 5px 0 15px rgba(0,0,0,0.1);
    }

    /* Overlay sombre */
    .app-sidebar-overlay {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 900;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    body.sidebar-open .app-sidebar-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

/* --- STYLES DE SCROLLBAR & NAV (TES ORIGINAUX) --- */

.app-sidebar-container::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.app-sidebar-container::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar-container::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
}

.sub-sidebar-container {
    padding: 10px;
}

.app-sidebar-container .expanded-title,
.app-sidebar-container .collapsed-title {
    padding: 20px 12px 0;
}

/** Main Navigation **/
.app-sidebar-container ul.uk-nav > li:not(:first-child) {
    margin-top: 4px;
}

.app-sidebar-container ul.uk-nav > li.uk-nav-header {
    color: var(--bb-text-color);
    margin: 20px 0 5px 10px;
    font-weight: 500 !important;
    text-transform: capitalize !important;
}

.app-sidebar-container ul.uk-nav > li.uk-disabled > a {
    color: var(--bb-gray-mid) !important;
    cursor: text;
}

.app-sidebar-container ul.uk-nav > li > a {
    font-size: 0.925rem;
    border-radius: 5px;
    border: 1px solid transparent;
    padding: 7px 9px;
    transition: background 200ms;
    color: var(--bb-gray-full) !important;
    font-weight: 500 !important;
}

.app-sidebar-container ul.uk-nav > li:hover > a {
    background: var(--bb-gray-very-light);
}

.app-sidebar-container ul.uk-nav > li.uk-active:not(li.uk-parent) > a,
.app-sidebar-container ul.uk-nav > li.uk-parent.uk-active > a,
.app-sidebar-container ul.uk-nav > li.uk-parent.uk-open > a {
    background: var(--bb-gray-very-light);
}

.app-sidebar-container ul.uk-nav > li.uk-active.uk-parent > a,
.app-sidebar-container ul.uk-nav > li.uk-open.uk-parent > a {
    background: transparent !important;
}

.app-sidebar-container ul.uk-nav > li.uk-parent.uk-active > a span[uk-nav-parent-icon],
.app-sidebar-container ul.uk-nav > li.uk-parent.uk-open > a span[uk-nav-parent-icon],
.app-sidebar-container ul.uk-nav > li.uk-active > a > .menu-item-icon,
.app-sidebar-container ul.uk-nav > li.uk-active > a > .menu-item-label,
.app-sidebar-container ul.uk-nav > li.uk-parent.uk-open > a > .menu-item-icon {
    color: var(--bb-accent-color);
}

.app-sidebar-container ul.uk-nav > li > a > .menu-item-icon {
    font-size: 1.15em;
    margin-right: 7px;
    font-weight: 700;
}

/** Sub-Navigation **/
.app-sidebar-container ul.uk-nav-sub {
    padding: 5px 0 5px 0;
}

.app-sidebar-container ul.uk-nav-sub > li:not(:first-child) {
    margin-top: 7px;
}

.app-sidebar-container ul.uk-nav-sub > li > a:before {
    content: '•';
    color: var(--bb-gray-full);
    margin-right: 8px;
    display: inline-block;
}

.app-sidebar-container ul.uk-nav-sub > li > a {
    border-radius: 5px;
    border: 1px solid transparent;
    padding: 7px 18px;
    transition: background 200ms;
    color: var(--bb-gray-full) !important;
    font-weight: 600 !important;
}

.app-sidebar-container ul.uk-nav-sub > li:hover > a,
.app-sidebar-container ul.uk-nav-sub > li.uk-active > a {
    background: var(--bb-gray-light);
}

.app-sidebar-container ul.uk-nav-sub > li.uk-active > a:before {
    color: var(--bb-accent-color);
}